./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a6634174770c2d78435b26741915661650ffd8b51b8148a319e19b0e5237d4f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:52,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:52,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:52,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:52,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:52,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:52,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:52,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:52,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:52,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:52,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:52,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:52,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:52,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:52,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:52,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:52,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:52,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:52,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:52,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:52,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:52,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:52,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:52,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:52,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:52,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:52,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:52,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:52,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:52,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:52,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:52,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:52,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:52,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:52,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:52,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:52,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:52,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:52,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:52,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:52,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:52,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:52,768 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:52,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:52,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:52,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:52,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:52,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:52,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:52,771 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:52,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:52,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:52,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:52,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:52,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:52,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:52,774 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:52,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:52,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:52,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:52,774 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:52,775 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:52,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:52,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:52,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:52,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:52,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:52,776 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:52,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:52,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:52,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a6634174770c2d78435b26741915661650ffd8b51b8148a319e19b0e5237d4f [2021-11-23 15:54:53,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:53,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:53,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:53,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:53,155 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:53,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem02_label24.c [2021-11-23 15:54:53,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data/2215e4319/2ed67be754a9419eb767535219e41752/FLAGde91d51e0 [2021-11-23 15:54:53,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:53,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/sv-benchmarks/c/eca-rers2012/Problem02_label24.c [2021-11-23 15:54:53,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data/2215e4319/2ed67be754a9419eb767535219e41752/FLAGde91d51e0 [2021-11-23 15:54:54,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data/2215e4319/2ed67be754a9419eb767535219e41752 [2021-11-23 15:54:54,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:54,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:54,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:54,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:54,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:54,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:54,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23248c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54, skipping insertion in model container [2021-11-23 15:54:54,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:54,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:54,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:54,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/sv-benchmarks/c/eca-rers2012/Problem02_label24.c[18375,18388] [2021-11-23 15:54:54,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:54,695 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:54,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/sv-benchmarks/c/eca-rers2012/Problem02_label24.c[18375,18388] [2021-11-23 15:54:54,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:54,860 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:54,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54 WrapperNode [2021-11-23 15:54:54,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:54,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:54,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:54,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:54,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:54,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:54,981 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-11-23 15:54:54,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:54,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:54,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:54,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:54,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:54,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:55,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:55,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:55,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:55,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:55,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:55,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:55,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:55,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:55,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:55,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:54" (1/1) ... [2021-11-23 15:54:55,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:55,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:55,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:55,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:55,310 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:55,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:56,207 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:56,247 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:54:56,258 INFO L158 Benchmark]: Toolchain (without parser) took 2014.21ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 60.5MB in the beginning and 54.1MB in the end (delta: 6.4MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2021-11-23 15:54:56,259 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:56,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.12ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 57.2MB in the end (delta: 3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:56,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.58ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 51.7MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:56,263 INFO L158 Benchmark]: Boogie Preprocessor took 129.35ms. Allocated memory is still 96.5MB. Free memory was 51.7MB in the beginning and 47.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:56,264 INFO L158 Benchmark]: RCFGBuilder took 1137.89ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 47.4MB in the beginning and 54.1MB in the end (delta: -6.7MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:56,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.12ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 57.2MB in the end (delta: 3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.58ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 51.7MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.35ms. Allocated memory is still 96.5MB. Free memory was 51.7MB in the beginning and 47.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1137.89ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 47.4MB in the beginning and 54.1MB in the end (delta: -6.7MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:56,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a6634174770c2d78435b26741915661650ffd8b51b8148a319e19b0e5237d4f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:58,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:58,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:58,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:58,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:58,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:58,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:58,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:58,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:58,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:58,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:58,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:58,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:58,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:58,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:58,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:58,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:58,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:58,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:58,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:58,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:58,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:58,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:58,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:58,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:58,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:58,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:58,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:58,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:58,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:58,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:58,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:58,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:58,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:58,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:58,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:58,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:58,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:58,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:58,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:58,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:58,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:58,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:58,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:58,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:58,746 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:58,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:58,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:58,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:58,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:58,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:58,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:58,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:58,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:58,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:58,749 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:58,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:58,750 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:58,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:58,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:58,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:58,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:58,751 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:58,751 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:58,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:58,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:58,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:58,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:58,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:58,753 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:58,753 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:58,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:58,753 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:58,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:58,754 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a6634174770c2d78435b26741915661650ffd8b51b8148a319e19b0e5237d4f [2021-11-23 15:54:59,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:59,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:59,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:59,158 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:59,159 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:59,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem02_label24.c [2021-11-23 15:54:59,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data/f6e2cb638/1305875ebece4969a92d1df4bdd255d4/FLAG6719b40a7 [2021-11-23 15:54:59,826 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:59,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/sv-benchmarks/c/eca-rers2012/Problem02_label24.c [2021-11-23 15:54:59,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data/f6e2cb638/1305875ebece4969a92d1df4bdd255d4/FLAG6719b40a7 [2021-11-23 15:55:00,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/data/f6e2cb638/1305875ebece4969a92d1df4bdd255d4 [2021-11-23 15:55:00,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:00,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:00,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:00,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:00,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:00,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60eaf51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00, skipping insertion in model container [2021-11-23 15:55:00,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:00,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:00,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/sv-benchmarks/c/eca-rers2012/Problem02_label24.c[18375,18388] [2021-11-23 15:55:00,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:00,542 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:00,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/sv-benchmarks/c/eca-rers2012/Problem02_label24.c[18375,18388] [2021-11-23 15:55:00,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:00,688 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:00,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00 WrapperNode [2021-11-23 15:55:00,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:00,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:00,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:00,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:00,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,801 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2021-11-23 15:55:00,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:00,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:00,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:00,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:00,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:00,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:00,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:00,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:00,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:00" (1/1) ... [2021-11-23 15:55:00,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:00,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:00,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:00,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:01,054 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:01,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:02,173 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:02,211 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:02,216 INFO L158 Benchmark]: Toolchain (without parser) took 2143.62ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 49.4MB in the beginning and 66.9MB in the end (delta: -17.5MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:02,217 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:02,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.61ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 38.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:02,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.57ms. Allocated memory is still 73.4MB. Free memory was 38.5MB in the beginning and 32.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:02,219 INFO L158 Benchmark]: Boogie Preprocessor took 105.48ms. Allocated memory is still 73.4MB. Free memory was 32.8MB in the beginning and 50.3MB in the end (delta: -17.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:02,220 INFO L158 Benchmark]: RCFGBuilder took 1305.12ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 50.3MB in the beginning and 66.9MB in the end (delta: -16.6MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:02,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.61ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 38.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.57ms. Allocated memory is still 73.4MB. Free memory was 38.5MB in the beginning and 32.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.48ms. Allocated memory is still 73.4MB. Free memory was 32.8MB in the beginning and 50.3MB in the end (delta: -17.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1305.12ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 50.3MB in the beginning and 66.9MB in the end (delta: -16.6MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:02,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42da3348-3448-4c66-be17-23c16b549d79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable